* German: "Hallo" (pronounced "Hah-loh") is the most common greeting.
* French: "Bonjour" (pronounced "bohn-zhoor") is the typical greeting.
* Italian: "Ciao" (pronounced "chow") is the usual greeting.
* Romansh: "Bun di" (pronounced "boon dee") is used in this smaller language.
So, which "hi" should you use?
It depends on the region and the person you're talking to. If you're unsure, a safe bet is "Hallo" as it's widely understood.